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Windows 7: Installed/usable RAM memory?

08 Aug 2009   #1
starterz

Windows 7
 
 
Installed/usable RAM memory?

When I check System Properties, it says Installed memory (RAM): 4GB (2.75GB usable). When I check Task Manager, it also shows me 2814MB Total physical memory. I am using Windows 7 RTM x86. How can I get all of my installed RAM working? I googled a bit, found out something about memory remaping option in BIOS, but I have no such option in the BIOS. I am using a Acer Aspire 5737Z laptop with a Geforce 9400m graphics card. Please, any help would be much appreciated.




Attached Images
 
My System SpecsSystem Spec
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08 Aug 2009   #2
Dwarf

Windows 8.1 Pro RTM x64
 
 

Hi starterz and welcome to Se7en Forums

That looks about right. On 32-bit systems, the total amount of memory that can be addressed is 4GB. Within that address range, there are also the system I/O devices and other hardware. These in effect take up some of the available memory space, so the amount of physical memory available to your system actually reduces by that amount. Depending on your system's hardware and configuration, this can be anything ranging from 256MB to 1GB (typically 768MB). However, that can vary. In addition, on a laptop the GPU is allocated a portion of your RAM for its own use.

This is from my system. What does yours show for the Graphics section?
-capture.png


My System SpecsSystem Spec
08 Aug 2009   #3
SquonkSC

Win7 Build 7600 x86
 
 

Quote   Quote: Originally Posted by Dwarf View Post
Hi starterz and welcome to Se7en Forums

That looks about right. On 32-bit systems, the total amount of memory that can be addressed is 4GB.
Correct me if I'm wrong,

Win7 32bit can be made to show 4gb installed but can only allocate 3gb.

By my knowledge the maximum usable memory on 32bit OS is 3gb.

Greetz.
My System SpecsSystem Spec
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08 Aug 2009   #4
Antman

 

Quote   Quote: Originally Posted by squonksc View Post
Correct me if I'm wrong...
Getting used to it...



In 32-bit Windows, each application has its own “virtual” 4GB memory space.

This 4GB space is evenly divided into two parts -
2GB dedicated for kernel usage
2GB for application usage.

Each app gets its own 2GB.
All applications the same 2GB kernel space.

Windows uses virtual memory.

The preceding is vastly oversimplified, and in the process, somewhat erroneous. If you are interested in learning something you really do not need, we can virtually spend a few hours addressing the matter.
My System SpecsSystem Spec
08 Aug 2009   #5
SquonkSC

Win7 Build 7600 x86
 
 

Quote   Quote: Originally Posted by Antman View Post
Getting used to it...

Correcting me or were you speaking in general terms?

Please don't answer that.

I know you are going to say; both.
My System SpecsSystem Spec
08 Aug 2009   #6
Antman

 

Quote   Quote: Originally Posted by squonksc View Post
I know you are going to say; both.
You know me too well.

I was tempted to write that Windows 'goes Ducth' on the 4GB, splitting it two ways between kernel and app - but that would have been just plain wrong.
My System SpecsSystem Spec
08 Aug 2009   #7
starterz

Windows 7
 
 

Quote   Quote: Originally Posted by Dwarf View Post
Hi starterz and welcome to Se7en Forums

That looks about right. On 32-bit systems, the total amount of memory that can be addressed is 4GB. Within that address range, there are also the system I/O devices and other hardware. These in effect take up some of the available memory space, so the amount of physical memory available to your system actually reduces by that amount. Depending on your system's hardware and configuration, this can be anything ranging from 256MB to 1GB (typically 768MB). However, that can vary. In addition, on a laptop the GPU is allocated a portion of your RAM for its own use.

This is from my system. What does yours show for the Graphics section?
Attachment 22079
This is my Graphics sections. Thank you for all detailed information concerning the situation.

Graphics Display adapter type NVIDIA GeForce 9400M G Total available graphics memory 1407 MB Dedicated graphics memory 256 MB Dedicated system memory 64 MB Shared system memory 1087 MB Display adapter driver version 8.15.11.8603 Primary monitor resolution 1366x768 DirectX version DirectX 10
My System SpecsSystem Spec
08 Aug 2009   #8
SquonkSC

Win7 Build 7600 x86
 
 

Quote   Quote: Originally Posted by Antman View Post
You know me too well.

I was tempted to write that Windows 'goes Ducth' on the 4GB, splitting it two ways between kernel and app - but that would have been just plain wrong.
I hear you. lol

I always wondered where that saying originated.

I know most of my fellow country men and women to be very generous to others. Just a little less to them selves.

Except, exceptions of course.

We do often split the bill between friends, male or female, but here it's better known as respectively friendship and emancipation.

But back OT.

I stand corrected.
My System SpecsSystem Spec
08 Aug 2009   #9
petrossa

vista x64/ win 7 x64
 
 

Quote   Quote: Originally Posted by squonksc View Post
I hear you. lol

I always wondered where that saying originated.

I know most of my fellow country men and women to be very generous to others. Just a little less to them selves.

Except, exceptions of course.

We do often split the bill between friends, male or female, but here it's better known as respectively friendship and emancipation.

But back OT.

I stand corrected.
dates from the war betwixt england and holland. Just name calling us cheap b*s*t*rds.
My System SpecsSystem Spec
08 Aug 2009   #10
petrossa

vista x64/ win 7 x64
 
 

on topic:

more then 4gb on 32 bit

no idea if it works, but the rumor circles around
My System SpecsSystem Spec
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